Phillipsburg-Newark Expressway

The Phillipsburg-Newark Expressway is a 67.83-mile highway in northern New Jersey, stretching from the Phillipsburg area in Warren County in the east to Newark in Essex County to the west. It is the New Jersey section of Interstate 78, originating at Phillipsburg and running through rural areas in northwestern New Jersey before running through suburban areas in Somerset County, crossing the Watchung Mountains, and continuing through urban areas to Newark.